The links to download pre-built build dependencies can become broken/changed occasionally (such as after CDN closed their sponsorship program). These are the available and current Build File links for use compilation.

1. Packages.dmg for macOS can be installed using brew: https://github.com/OpenCPN/OpenCPN/blob/master/ci/generic-build-macos.sh
2. wxWidgets for macOS, wx312B_opencpn50_macos109.tar.xz: https://download.opencpn.org/s/rwoCNGzx6G34tbC/download
3. NSIS build for appveyor: https://download.opencpn.org/s/54HsBDLNzRZLL6i/download
4. wxWidgets for msWindows, wxWidgets-3.1.2.7z: https://download.opencpn.org/s/E2p4nLDzeqx4SdX/download